--- libcoro/coro.c	2010/04/02 19:13:54	1.50
+++ libcoro/coro.c	2010/12/03 19:21:59	1.53
@@ -117,6 +117,8 @@
        ".globl coro_transfer\n"
        ".type coro_transfer, @function\n"
        "coro_transfer:\n"
+       /* windows, of course, gives a shit on the amd64 ABI and uses different registers */
+       /* http://blogs.msdn.com/freik/archive/2005/03/17/398200.aspx */
        #if __amd64
          #define NUM_SAVED 6
          "\tpush %rbp\n"
@@ -126,16 +128,16 @@
          "\tpush %r14\n"
          "\tpush %r15\n"
          #if CORO_WIN_TIB
-           "\tpush %fs:0xc\n"
-           "\tpush %fs:0x8\n"
-           "\tpush %fs:0x0\n"
+           "\tpush %gs:0x0\n"
+           "\tpush %gs:0x8\n"
+           "\tpush %gs:0xc\n"
          #endif
          "\tmov  %rsp, (%rdi)\n"
          "\tmov  (%rsi), %rsp\n"
          #if CORO_WIN_TIB
-           "\tpop  %fs:0x0\n"
-           "\tpop  %fs:0x8\n"
-           "\tpop  %fs:0xc\n"
+           "\tpop  %gs:0xc\n"
+           "\tpop  %gs:0x8\n"
+           "\tpop  %gs:0x0\n"
          #endif
          "\tpop  %r15\n"
          "\tpop  %r14\n"
@@ -150,16 +152,16 @@
          "\tpush %esi\n"
          "\tpush %edi\n"
          #if CORO_WIN_TIB
-           "\tpush %fs:8\n"
-           "\tpush %fs:4\n"
            "\tpush %fs:0\n"
+           "\tpush %fs:4\n"
+           "\tpush %fs:8\n"
          #endif
          "\tmov  %esp, (%eax)\n"
          "\tmov  (%edx), %esp\n"
          #if CORO_WIN_TIB
-           "\tpop  %fs:0\n"
-           "\tpop  %fs:4\n"
            "\tpop  %fs:8\n"
+           "\tpop  %fs:4\n"
+           "\tpop  %fs:0\n"
          #endif
          "\tpop  %edi\n"
          "\tpop  %esi\n"
@@ -297,14 +299,15 @@
   ctx->sp = (void **)(ssize + (char *)sptr);
   *--ctx->sp = (void *)abort; /* needed for alignment only */
   *--ctx->sp = (void *)coro_init;
-  ctx->sp -= NUM_SAVED;
 
   #if CORO_WIN_TIB
-  *--ctx->sp = sptr;                 /* StackLimit */
-  *--ctx->sp = (char *)sptr + ssize; /* StackBase */
   *--ctx->sp = 0;                    /* ExceptionList */
+  *--ctx->sp = (char *)sptr + ssize; /* StackBase */
+  *--ctx->sp = sptr;                 /* StackLimit */
   #endif
 
+  ctx->sp -= NUM_SAVED;
+
 # elif CORO_UCONTEXT
 
   getcontext (&(ctx->uc));
@@ -401,7 +404,11 @@
       args.main = &nctx;
 
       pthread_attr_init (&attr);
+#if __UCLIBC__
+      pthread_attr_setstacksize (&attr, (size_t)ssize);
+#else
       pthread_attr_setstack (&attr, sptr, (size_t)ssize);
+#endif
       pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
       pthread_create (&ctx->id, &attr, coro_init, &args);